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| Number | Title | Issue Date |
| 8029649 | Method and device for removing loose material on wavy surfaces of stamped coal used for coking According to the invention, the loose coal is displaced from the peaks to the valleys of the waves on the narrow, long coal cake and is beaten down on the coal cake. The inventive device comprises at least one scraper (12) and at least one vertically movable ... | 10/04/2011 |
| 7846301 | Method of production of blast furnace coke A method of production of blast furnace coke comprising drying mixed coal, then, or simultaneously with the drying, classifying it to fine-grained coal and coarse-grained coal, then adding to the fine-grained coal at a temperature of 80 to 350° C. a caking additive... | 12/07/2010 |
| 7785447 | Clean production of coke Closed apparatus and processes by which carbon feedstock is composed of a mixture of non-coking coal fines and another carbonaceous material, such as waste coke fines, are described. The coal and coke fines are mixed together and may be formed into solid pieces. The... | 08/31/2010 |
| 7731821 | Reduction of sulfur-containing gases during conversion of coal into metallurgical coke A method of reducing sulfur-containing gases during conversion of a coal slab into metallurgical coke is disclosed. A sulfur-reducing agent is added to a coal slab, which may contain compacted coal aggregate. The coal slab, including the sulfur-reducing agent, is he... | 06/08/2010 |
| 7497928 | Process of producing metallurgical coke A process and plant for producing metallurgical coke is disclosed. The process comprises rapidly drying coal particles in an inert atmosphere, and maintaining the particles, once dry, in an inert atmosphere. The dried particles are then compressed into a briquette w... | 03/03/2009 |
| 7264694 | Retort heating apparatus and methods A retort heating apparatus for processing a feed material includes a heating chamber bounded at least in part by a side wall. A plurality of baffles are at least partially disposed within the heating chamber. Each baffle includes an elongated body having a top surfa... | 09/04/2007 |
| 7182028 | System and method for the pyrolization of waste A system for the pyrolization of waste has a combustion chamber with a fuel inlet and a hot gas outlet, a pyrolization chamber separated from the combustion chamber, and a conveyor means positioned within the pyrolization chamber for moving waste from the waste inle... | 02/27/2007 |
| 6875316 | High reactivity and high strength coke for blast furnace and method for producing the same Related to a blast furnace coke and a production method thereof. A coke having high reactivity and high strength in which coke strength, reactivity with CO2 and a pore size distribution are each at a desired level can be produced at a low cost by using a ... | 04/05/2005 |
| 6332957 | Method and device for producing a coke coal cake for carrying out a coking process in a furnace chamber The aim of the invention is to provide a method and a stamping device which is affiliated with said method. Using known economical stamping techniques, the stamping device permits coke coal cakes which are produced in an edgewise manner to be inserted int... | 12/25/2001 |
| 6033528 | Process for making blast furnace coke A blast furnace coal is produced by rapidly heating a coal blend having 10 to 30% by weight of a non-slightly-caking coal having softening initiation temperature T with the balance including a caking coal having softening initiation temperature T0 | 03/07/2000 |
| 5964985 | Method and apparatus for converting coal to liquid hydrocarbons A method of forming liquid hydrocarbons from solid coal. The coal is pulverized to provide a particulate coal feed, which is then extruded to provide a hollow tube of compressed coal supported inside of a support tube. A clay feed is extruded to provide a... | 10/12/1999 |
| 5453164 | Pyrolytic conversion system A pyrolytic converter utilizing a rotatable drum surrounded by an outer drum support structure and disposed in an oven chamber pyrolyzes materials including plastic waste, tires, materials from automobile shredding operations, containers and trays of plas... | 09/26/1995 |
| 5423951 | Process of continuously making coke of high density and strength Pieces of coke of high density and strength are made continuously from fine particles of bituminous or subbituminous or lignite coals or of mixtures thereof. The particles are generally oxygenated, mixed with water, compressed to squeeze out some of the w... | 06/13/1995 |
| 5167772 | Apparatus for pyrolysis of tires and waste Method and apparatus for pyrolyzing used tires into a char fraction, wire, fiberglass, oil fraction and gas fraction. The tires are continuously conveyed to a preheating chamber where they are heated to a temperature level of 200° F. to 400° F. The heat... | 12/01/1992 |
| 4935038 | Process for recovery of usable gas from garbage In a process for the recovery of usuable gas from garbage by pyrolysis, the garbage is sorted into a heavy wet vegetable portion and a light dry portion. The light portion is pressed into pellets or granules having characteristics dimensions in a range of... | 06/19/1990 |
| 4919686 | Process for the pyrolytic production of synthetic gas A method for the pyrolytic production of synthetic gas from components of solid materials, including selected segregated post-consumed waste materials, within a pyrolytic gasifier operably heated by an associated furnace, which includes the steps of: prep... | 04/24/1990 |
| 4867848 | Process and apparatus for producing moulded coke in a vertical furnace which is at least partly electrically heated An apparatus and process for producing coke in a vertical furnace having an upper part for preheating and devolitalizing raw ovoids of coal, an electrically heated median part for carbonizing and coking the ovoids and a lower part for partially cooling th... | 09/19/1989 |
| 4826573 | Method for processing substantially solid organic material Organic material is compacted to a density greater than 280 kg/m3 in a press, is preheated to a temperature of 44°-46° C., is then subjected in an irradiation device to 1-20 electromagnetic wave pulses having a duration of almost 5 s and a fr... | 05/02/1989 |
| 4764318 | Process for the continuous coking of pitches and utilization of the coke obtained thereby Coke for reactor graphite is produced continuously by coking a hard pitch with a softening point (K.-S.) above 130° C. and a coking residue of at least 45% by weight in a rotary pipe furnace equipped with a moving device and subsequent calcination withou... | 08/16/1988 |
| 4752359 | Method of producing active form coke Active form coke is made from coal by passing the coal granulate downwardly through a preheating and pyrolysis zone, a heating zone, an aftertreatment zone and a cooling zone by moving respective grate bars of grates in each zone so that a bed of granules... | 06/21/1988 |
| 4683030 | Method for carbonizing cold-compacted briquettes Briquettes made from bituminous or sub-bituminous coal or peat are produced by grinding the coal, mixing it with a binder and compacting the mixture. They are then carbonized in a continuous process in a shaft oven. The coal may be predried and the finish... | 07/28/1987 |
| 4662895 | Method of cooling and gasifying retort coal A method and apparatus of cooling retort coke is disclosed which provides for cooling hot coke from a coking chamber by direct heat exchange with fine-grained material, preferably coal, and the subsequent separation of the fine-grained material from lump ... | 05/05/1987 |
| 4650546 | Method for the treatment of moist products Slugs (4) of products dehydrated by compression are thrust into the tube (11) up to the hearth (15). The hot gases from the hearth passing round the tube (11) heat it up in order to release the gases and carbonize the solids which burn in the form of coke... | 03/17/1987 |
| 4624807 | Process for producing microspherical, oil-containing carbonaceous particles A two-step process for producing microspherical pitch or green coke particles having an average diameter of 30-200 μm from finely divided petroleum or coal pitch having a softening point of 60°-220° C. and a fixed carbon content of 40-75 wt %. In the f... | 11/25/1986 |
| 4559060 | Upgrading method of low-rank coal A upgrading method of low-rank coal containing higher ash and moisture contents into coal decreased in ash content and decreased in moisture content and heightened in heating value includes subjecting the low-rank coal to a low-temperature dry distillatio... | 12/17/1985 |
| 4557733 | Formcoke process Green coal is charred in pre- and post- treatment carbonizers, then crushed, mixed with pitch, briquetted, tempered in a tempering oven, recirculated with succeeding green coal to char in a reducing atmosphere through only the latter part of the pre-treat... | 12/10/1985 |
| 4557204 | Process and apparatus for treating waste materials Comminuted waste material is introduced in the form of briquettes, pellets or granulates into a gastight rotating drum for the recovery of useful gas by pyrolysis. The size of the briquettes, pellets or granulates is from about 1 to 50 mm and they are bro... | 12/10/1985 |
| 4526731 | Particulating materials An apparatus for drying pellets of particulate material such as carbon black is characterized by a columnar drying vessel containing inclined trays or screens positioned so that the pellets or particulates roll from screen to screen down the column. Prefe... | 07/02/1985 |
| 4452670 | Method and apparatus for recovering preheater coal fines Coal fines developed from the processing of coal through a preheating system are accumulated in a secondary cyclone system. The coal fines, at an elevated temperature, are mixed with a hydrocarbon organic binder and compressed into larger particles of suf... | 06/05/1984 |
| 4419186 | Process for making strong metallurgical coke The strength and density of a metallurgical coke produced in a slot coke oven are both increased by replacing at least a part of the normal loose charge in the oven with compacted materials and fragments thereof made from a mixture of particularly sized p... | 12/06/1983 |
| 4412841 | Compacted carbonaceous shapes and process for making the same Compacted carbonaceous shapes are produced by mixing a particulate carbonaceous material with a binder, forming green shapes from the mixture, and heating the green shapes by induction heating or microwave heating or a combination thereof. The process is ... | 11/01/1983 |
| 4388152 | Process for producing blast furnace grade coke, a distillable product and fuel gases from a heavy, high sulfur, crude oil A process for producing a distillable hydrocarbonaceous stream, fuel gases and blast furnace grade coke from a heavy, high sulfur, crude oil by producing delayed coke from at least a portion of the crude oil; crushing at least a portion of the coke to pro... | 06/14/1983 |
| 4385962 | Method for the production of coke Production of coke from coal is improved by mixing self-feeding coal with compacted non self-feeding coal prior to carrying out the coking process. Preferably, there is about 10% to about 60% by weight of the non self-feeding coal based on the total charg... | 05/31/1983 |
| 4356004 | Process for forming charging fuel into agglomerates for the pressure gasification of coal A process for forming charging fuel into agglomerates for the pressure gasification of coal, comprises the steps of mixing fine, granular charging fuel with a binder outside the pressure reactor, subjecting the mixture, in a pressure vessel, to the pressu... | 10/26/1982 |
| 4354903 | Process for drying and preheating coal utilizing heat in dry cooling or quenching of coke A three-cycle process as disclosed for drying and preheating coking coal using the heat from cooled coke. Cooling gas is passed over hot coke to heat the cooling gas and cool the coke. The heated cooling gas is then passed through a waste heat boiler and ... | 10/19/1982 |
| 4352720 | Process and apparatus for the production of molded metallurgical coke from coal briquettes The process for the production of molded metallurgical coke from dried coal or fine coal mixtures with a low swelling index particularly highly volatile fine coal comprises mixing normal washed fine coal or fine coal mixtures of a grain size of from 0 to ... | 10/05/1982 |
| 4342622 | Process for making formed coke from high sulfur coal In a formed coke process of the type in which carbonization and calcination of coal is carried out prior to briquetting, the hot calcined char is cooled by means of a hydrogen-rich gas at superatmospheric pressure so as to effect concurrent cooling and de... | 08/03/1982 |
| 4318779 | Method of manufacture of blast furnace cokes containing substantial amounts of low grade coals Blast furnace coke containing low grade coal in a high blending ratio is manufactured by a method which comprises blending not less than 60% of a blended coal having an adjusted total moisture content of not more than 4% with not more than 40% of briquett... | 03/09/1982 |
| 4305788 | Process for the production of molded metallurgical coke from coal briquettes The process for the production of molded metallurgical coke from dried coal or fine coal mixtures with a low swelling index particularly highly volatile fine coal comprises mixing normal washed fine coal or fine coal mixtures of a grain size of from 0 to ... | 12/15/1981 |
| 4288293 | Form coke production with recovery of medium BTU gas In the fluidized carbonization and calcination of coal to form a reactive coal calcinate for admixture with bituminous binder for briquetting, curing, and coking to produce form coke, the improvement of recovering medium BTU gases in the overheads by usin... | 09/08/1981 |
